Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Market context
The Chinese Basketball Association fixture between Shenzhen Leopards and Zhejiang Lions takes place on 23 May at 7:35 AM ET. The 0% implied probability on this market reflects either extremely low liquidity or a technical listing issue, as both teams are active CBA competitors with genuine win probabilities. Across major platforms, this discrepancy reveals structural differences: Polymarket's AMM-based pricing can produce extreme odds when order book depth is thin, whilst Kalshi's regulated US framework typically enforces minimum liquidity thresholds that prevent such distortions. Betfair and Smarkets, operating under UK gambling licences, similarly maintain tighter spreads through their exchange mechanisms, though none of these platforms currently offer direct CBA wagering to UK residents due to licensing constraints.
Historical CBA matchups between these clubs show competitive parity. Shenzhen and Zhejiang have traded victories across recent seasons, with neither team establishing dominance. The Leopards' home-court advantage (if applicable) and current roster form matter substantially, yet the 0% reading suggests the market may simply lack sufficient traders to establish genuine price discovery rather than reflecting genuine analytical consensus.
Traders monitoring this fixture should track injury announcements and squad rotations, particularly given the CBA's compressed playoff schedule. Recent fixture congestion can affect team availability. The settlement window extends to 30 May, allowing for postponement resolution—a material risk in professional leagues. Confirmation of the scheduled start time and venue status should be verified through official CBA channels before committing capital, as fixture cancellations without make-up games trigger the 50-50 resolution clause.
Methodology
We read Shenzhen Leopards vs. Zhejiang Lions from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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